The Yokogawa NFPW442-50 is an industrial-grade power supply module designed to provide stable and reliable power to Yokogawa’s modular automation systems, particularly the STARDOM and FA-M3 series. Known for its compact form, robust architecture, and high-performance capabilities, the NFPW442-50 is engineered to deliver regulated DC power to controller modules, I/O units, and communication components within the system.

As the backbone of the control architecture, this power supply module is essential for ensuring uninterrupted operation in mission-critical industrial environments. It is built to function under a wide range of conditions, supporting both redundancy and hot-swap configurations for improved system reliability and maintenance flexibility.

Product Specifications

Product Applications

Industrial Automation Systems:

Used as the primary power source for distributed control systems (DCS), programmable logic controllers (PLC), and remote terminal units (RTUs).

Oil & Gas and Petrochemical Plants:

Powers field control stations and monitoring equipment deployed in refineries and upstream operations.

Power Generation and Utilities:

Supports control rooms in thermal, hydroelectric, and nuclear power stations by powering system modules and I/O.

Water and Wastewater Management:

Used in water treatment facilities to provide reliable power for pump stations and filtration control systems.

Manufacturing & Processing Plants:

Provides stabilized power to robots, conveyor systems, machine controls, and sensors in automated production environments.

Transportation Infrastructure:

Installed in control panels for intelligent traffic systems, subway automation, and tunnel monitoring systems.

Product Advantages

• High Reliability: Built with high-grade components for 24/7 industrial operation under extreme conditions.

• Redundancy Ready: Supports dual-module configurations for uninterrupted power in case of module failure.

• Protection & Safety: Integrated protections ensure equipment safety from overvoltage, overheating, and short circuits.

• Compact & Lightweight: Slim profile and reduced weight facilitate easy integration in dense control panels.

• Low Maintenance: Fanless design reduces mechanical wear and extends product lifespan.

• Easy Monitoring: Built-in LEDs provide immediate feedback on power and fault status.

• Hot Swappable: Can be replaced without powering down the system, ensuring minimal downtime.

• Seamless Integration: Optimized for Yokogawa automation platforms, reducing setup and configuration time.

Frequently Asked Questions (FAQ)

1. What input voltage does the NFPW442-50 accept?

   The module operates on 24 VDC input, with a tolerance range of 20.4 to 28.8 VDC.

2. Is the module hot-swappable?

   Yes, the NFPW442-50 supports hot swapping, allowing replacement without shutting down the system.

3. Does it support redundancy?

   Yes, two NFPW442-50 modules can be installed in parallel for redundant operation.

4. What happens in case of overvoltage?

   The module has built-in protection features including overvoltage shutdown to protect connected equipment.

5. Can this power supply be used with third-party controllers?

   It is specifically designed for Yokogawa systems; compatibility with third-party systems should be confirmed case by case.

6. What is the rated output power?

   The module delivers a combined output power of 30 W across 5V and 3.3V rails.

7. Is the cooling passive or active?

   The module uses passive cooling (natural convection) and does not include a fan.

8. What are the visual indicators available on the module?

   LED indicators show Power OK and Fault conditions for real-time diagnostics.

9. Can it operate in harsh industrial environments?

   Yes, it operates from -20°C to +60°C and is resistant to vibration and shock per IEC standards.

10. How do I know if the module is nearing failure?

    Regular monitoring of LED indicators and output voltage via system diagnostics is recommended for preventive maintenance.